Ybd
abbr. Y-branching device Y型分路器
🗣️ 情景例句
Oh, here are my certificate of merit.
哦，这里是我的获奖证书。
When could we typically expect delivery?
我们希望常规的发货时间是什么时候呢？
These movements are controlled by the trainer with the metal-pointed stick,
训练员要用有锋利金属尖的长棒控制它的这种举动，